| 摘要 |
PURPOSE:To prepare anthocyanin having improved stability and deep or dark color, by culturing microorganism belonging to Candida genus in a medium containing anthocyanin or anthocyanin-containing material, amino acids, and catechin. CONSTITUTION:A homogeneous medium is prepared by adding a commercially available anthocyanin pigment or a material containing the same, e.g. skin of grape, etc., one or more kinds of amino acid such as alanine, serine, threonine, etc., and one or more kinds of catechins such as catechin, epicatechin, etc. One or more kinds of microorganisms belonging to Candida genus, Escherichia genus, Pseudomonas genus, Agrobacterium genus, Bacillus genus, Aerobacter genus, or Achromobacter genus are cultured aerobically in the medium, and anthocyanin pigment is separated from the culture liquid. |
